Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

6 Miles NNE Castalia IA

Extreme Heat Watch June 21, 12:00pm until June 22, 09:00pm

Click here for hazard details and duration

Extreme Heat Watch

Overnight
Low: 59 °F
Scattered
Showers
Juneteenth
High: 83 °F
Sunny
Thursday Night
Low: 65 °F
Mostly Clear
then Chance
T-storms
Friday
High: 85 °F
Chance
T-storms
Friday Night
Low: 74 °F
Mostly Clear
and Breezy
Saturday
High: 92 °F
Sunny and
Breezy
Saturday Night
Low: 75 °F
Mostly Clear
Sunday
High: 93 °F
Sunny and
Breezy
Sunday Night
Low: 75 °F
Mostly Clear
then Chance
Showers

Detailed Forecast

Overnight

Scattered showers, mainly before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. West wind around 7 mph. Chance of precipitation is 30%.

Juneteenth

Sunny, with a high near 83. Northwest wind 6 to 8 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 65. Southwest wind 6 to 8 mph.

Friday

A 40 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. South wind 10 to 15 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

Mostly clear, with a low around 74. Breezy, with a south wind 14 to 17 mph, with gusts as high as 28 mph.

Saturday

Sunny, with a high near 92. Breezy, with a south wind around 18 mph, with gusts as high as 28 mph.

Saturday Night

Mostly clear, with a low around 75. South wind around 15 mph, with gusts as high as 25 mph.

Sunday

Sunny, with a high near 93. Breezy, with a south wind 14 to 18 mph, with gusts as high as 29 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. South wind 13 to 15 mph, with gusts as high as 26 mph.

Monday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Southwest wind around 11 mph, with gusts as high as 20 mph.

Monday Night

Showers and possibly a thunderstorm. Low around 67. Southwest wind 6 to 9 mph becoming northwest after midnight. Chance of precipitation is 80%.

Tuesday

Showers and possibly a thunderstorm. High near 83. North wind around 7 mph becoming southwest in the afternoon. Chance of precipitation is 80%.

Tuesday Night

Showers and possibly a thunderstorm. Low around 65. North wind around 6 mph becoming east after midnight. Chance of precipitation is 80%.

Wednesday

Showers and possibly a thunderstorm. High near 79. Southwest wind around 8 mph. Chance of precipitation is 80%.